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<blockquote data-quote="Andy G" data-source="post: 670542" data-attributes="member: 63288"><p>Bill-E has the best answer; that way you aren't killing tons of power running your resistor divider.</p><p></p><p></p><p></p><p>If you need a more tunable voltage, the LM317 is also very easy to hook up, and will give you an adjustable output from 1.2V to V+rail - 1.5V. So on a 13.5 V system, your range will be between 1.2 and 12V.</p><p></p><p></p><p></p><p>You will need one other resistor (220ohm typ) and a 5K pot. These are all radioshack parts.</p><p></p><p></p><p></p><p>Also available at Digikey, or Mouser.</p></blockquote><p></p>
[QUOTE="Andy G, post: 670542, member: 63288"] Bill-E has the best answer; that way you aren't killing tons of power running your resistor divider. If you need a more tunable voltage, the LM317 is also very easy to hook up, and will give you an adjustable output from 1.2V to V+rail - 1.5V. So on a 13.5 V system, your range will be between 1.2 and 12V. You will need one other resistor (220ohm typ) and a 5K pot. These are all radioshack parts. Also available at Digikey, or Mouser. [/QUOTE]
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